Question: :What city on the continent of North America is considered the twin town of Kraków?"
Paraphrase: :What metropolis on the continent of North America is regarded the twin city of Kraków?"
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q31487 wdt:P190 ?answer . ?answer wdt:P30 wd:Q49}
Answer: San Francisco, Guadalajara, Jalisco, México.